Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://cctraff.ru/123?keyword=transducer+and+sensor+book+pdf In PDF document text

  • https://gazesomudari.weebly.com/uploads/1/3/1/0/131070071/niraso_fawativurobit.pdfIn PDF document text
  • https://misutinulil.weebly.com/uploads/1/3/1/4/131407711/bovokazagik.pdfIn PDF document text
  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/208737.pdfIn PDF document text
  • https://guzuzixud.weebly.com/uploads/1/3/4/3/134357052/lulonofoger-gogowojur-lavapebak.pdfIn PDF document text
  • https://vefavufarexuba.weebly.com/uploads/1/3/4/3/134315694/vixapexiwe_xewuliripuv.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00008831.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00008831.bin)
  • https://s3.amazonaws.com/xesigeze/international_business_journal_articles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/2254/4807/files/45817542074.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3962/8703/files/90613470003.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1052/1753/files/mitchell_the_reconfigured_eye.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4588/6884/files/jofusakusilagifisidig.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6405/7247/files/27966501254.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/biocombustibles_definicion.pdfIn PDF document text
  • https://s3.amazonaws.com/zetare/kuparuwonobesemoxazize.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2915/0882/files/titanic_sawfish_ffxiv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/9353/1555/files/38658942655.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8000/0697/files/burmese_fairy_tales.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/4066278906.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/arches_and_lintels_carpentry_joints.pdfIn PDF document text
  • https://s3.amazonaws.com/jotizifime/business_model_generation_bahasa_indonesia.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/84743038161.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off00008831.bin)

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